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@ -50,17 +50,15 @@ boolean AudioEffectModulatedDelay::begin(short *delayline, uint16_t d_length) |
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_cb_index = 0; |
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_delay_offset = 0; |
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if (delayline == NULL) { |
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if (delayline == NULL) |
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return (false); |
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} |
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if (d_length < 10) { |
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if (d_length < 10) |
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return (false); |
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} |
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_delayline = delayline; |
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_delay_length = d_length; |
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memset(_delayline, 0, _delay_length); |
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_delay_offset = (_delay_length - 1) >> 1; |
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memset(_delayline, 0, _delay_length * sizeof(int16_t)); |
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_delay_offset = _delay_length >> 1 ; |
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return (true); |
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} |
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@ -107,7 +105,7 @@ void AudioEffectModulatedDelay::update(void) |
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mod_fraction = modff(mod_index, &mod_number); // split float of mod_index into integer (= mod_number) and fraction part
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// calculate modulation index into circular buffer
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cb_mod_index = _cb_index - mod_number; |
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cb_mod_index = _cb_index - (_delay_offset + mod_number); |
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if (cb_mod_index < 0) // check for negative offsets and correct them
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cb_mod_index += _delay_length; |
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